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<title>4. MODIFICATIONS: GdaBrowser hacking manual</title>
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<div class="sect1">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="fdl-section4"></a>4. MODIFICATIONS</h2></div></div></div>
<p>
      You may copy and distribute a <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a> of the <a class="link" href="fdl-section1.html#fdl-document">Document</a> under the conditions of
      sections <a class="link" href="fdl-section2.html" title="2. VERBATIM COPYING">2</a> and <a class="link" href="fdl-section3.html" title="3. COPYING IN QUANTITY">3</a> above, provided that you release
      the Modified Version under precisely this License, with the
      Modified Version filling the role of the Document, thus
      licensing distribution and modification of the Modified Version
      to whoever possesses a copy of it. In addition, you must do
      these things in the Modified Version:
    </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: opencircle; ">
<li class="listitem" style="list-style-type: circle"><p><b>A. </b>
	    Use in the <a class="link" href="fdl-section1.html#fdl-title-page">Title
	    Page</a> (and on the covers, if any) a title distinct
	    from that of the <a class="link" href="fdl-section1.html#fdl-document">Document</a>, and from those of
	    previous versions (which should, if there were any, be
	    listed in the History section of the Document). You may
	    use the same title as a previous version if the original
	    publisher of that version gives permission.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>B. </b>
	    List on the <a class="link" href="fdl-section1.html#fdl-title-page">Title
	    Page</a>, as authors, one or more persons or entities
	    responsible for authorship of the modifications in the
	    <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a>,
	    together with at least five of the principal authors of
	    the <a class="link" href="fdl-section1.html#fdl-document">Document</a> (all of
	    its principal authors, if it has less than five).
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>C. </b>
	    State on the <a class="link" href="fdl-section1.html#fdl-title-page">Title
	    Page</a> the name of the publisher of the <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a>, as the
	    publisher.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>D. </b>
	    Preserve all the copyright notices of the <a class="link" href="fdl-section1.html#fdl-document">Document</a>.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>E. </b>
	    Add an appropriate copyright notice for your modifications
	    adjacent to the other copyright notices.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>F. </b>
	    Include, immediately after the copyright notices, a
	    license notice giving the public permission to use the
	    <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a> under
	    the terms of this License, in the form shown in the
	    Addendum below.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>G. </b>
	    Preserve in that license notice the full lists of <a class="link" href="fdl-section1.html#fdl-invariant"> Invariant Sections</a> and
	    required <a class="link" href="fdl-section1.html#fdl-cover-texts">Cover
	    Texts</a> given in the <a class="link" href="fdl-section1.html#fdl-document">Document's</a> license notice.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>H. </b>
	    Include an unaltered copy of this License.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>I. </b>
	    Preserve the section entitled <span class="quote">“<span class="quote">History</span>”</span>, and
	    its title, and add to it an item stating at least the
	    title, year, new authors, and publisher of the <a class="link" href="fdl-section1.html#fdl-modified">Modified Version </a>as given on
	    the <a class="link" href="fdl-section1.html#fdl-title-page">Title Page</a>.  If
	    there is no section entitled <span class="quote">“<span class="quote">History</span>”</span> in the
	    <a class="link" href="fdl-section1.html#fdl-document">Document</a>, create one
	    stating the title, year, authors, and publisher of the
	    Document as given on its Title Page, then add an item
	    describing the Modified Version as stated in the previous
	    sentence.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>J. </b>
	    Preserve the network location, if any, given in the <a class="link" href="fdl-section1.html#fdl-document">Document</a> for public access
	    to a <a class="link" href="fdl-section1.html#fdl-transparent">Transparent</a>
	    copy of the Document, and likewise the network locations
	    given in the Document for previous versions it was based
	    on. These may be placed in the <span class="quote">“<span class="quote">History</span>”</span>
	    section.  You may omit a network location for a work that
	    was published at least four years before the Document
	    itself, or if the original publisher of the version it
	    refers to gives permission.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>K. </b>
	    In any section entitled <span class="quote">“<span class="quote">Acknowledgements</span>”</span> or
	    <span class="quote">“<span class="quote">Dedications</span>”</span>, preserve the section's title,
	    and preserve in the section all the substance and tone of
	    each of the contributor acknowledgements and/or
	    dedications given therein.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>L. </b>
	    Preserve all the <a class="link" href="fdl-section1.html#fdl-invariant">Invariant
	    Sections</a> of the <a class="link" href="fdl-section1.html#fdl-document">Document</a>, unaltered in their
	    text and in their titles.  Section numbers or the
	    equivalent are not considered part of the section titles.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>M. </b>
	    Delete any section entitled
	    <span class="quote">“<span class="quote">Endorsements</span>”</span>. Such a section may not be
	    included in the <a class="link" href="fdl-section1.html#fdl-modified">Modified
	    Version</a>.
	  </p></li>
<li class="listitem" style="list-style-type: circle"><p><b>N. </b>
	    Do not retitle any existing section as
	    <span class="quote">“<span class="quote">Endorsements</span>”</span> or to conflict in title with
	    any <a class="link" href="fdl-section1.html#fdl-invariant">Invariant
	    Section</a>.
	  </p></li>
</ul></div>
<p>
      If the <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a>
      includes new front-matter sections or appendices that qualify as
      <a class="link" href="fdl-section1.html#fdl-secondary">Secondary Sections</a> and
      contain no material copied from the Document, you may at your
      option designate some or all of these sections as invariant. To
      do this, add their titles to the list of <a class="link" href="fdl-section1.html#fdl-invariant">Invariant Sections</a> in the
      Modified Version's license notice.  These titles must be
      distinct from any other section titles.
    </p>
<p>
      You may add a section entitled <span class="quote">“<span class="quote">Endorsements</span>”</span>,
      provided it contains nothing but endorsements of your <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a> by various
      parties--for example, statements of peer review or that the text
      has been approved by an organization as the authoritative
      definition of a standard.
    </p>
<p>
      You may add a passage of up to five words as a <a class="link" href="fdl-section1.html#fdl-cover-texts">Front-Cover Text</a>, and a passage
      of up to 25 words as a <a class="link" href="fdl-section1.html#fdl-cover-texts">Back-Cover Text</a>, to the end of
      the list of <a class="link" href="fdl-section1.html#fdl-cover-texts">Cover Texts</a>
      in the <a class="link" href="fdl-section1.html#fdl-modified">Modified Version</a>.
      Only one passage of Front-Cover Text and one of Back-Cover Text
      may be added by (or through arrangements made by) any one
      entity. If the <a class="link" href="fdl-section1.html#fdl-document">Document</a>
      already includes a cover text for the same cover, previously
      added by you or by arrangement made by the same entity you are
      acting on behalf of, you may not add another; but you may
      replace the old one, on explicit permission from the previous
      publisher that added the old one.
    </p>
<p>
      The author(s) and publisher(s) of the <a class="link" href="fdl-section1.html#fdl-document">Document</a> do not by this License
      give permission to use their names for publicity for or to
      assert or imply endorsement of any <a class="link" href="fdl-section1.html#fdl-modified">Modified Version </a>.
    </p>
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